package 冒泡排序;

import java.util.Arrays;

public class BubbleSort {
    public  int[] bubbleSort(int[] arr){
        int num = 0;
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0; j < arr.length - 1 -i; j++) {
                if (arr[j] > arr[j+1]) {
                num = arr[j+1];
                arr[j+1] = arr[j];
                arr[j] = num;
                }
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + "\t");

        }
        return arr;
    }

}
